Herbs That Thrive in Texas Heat: Essential Guide for Successful Gardens

Texas summers are known for scorching temperatures and strong sunlight that can make gardening a challenge. You might think growing herbs in this climate is nearly impossible, but that’s not true. Many herbs actually thrive in the Texas heat and can become a productive part of your garden all summer long.

If you pick the right varieties, you’ll get fresh herbs even when other plants struggle. Heat-tolerant options like basil, rosemary, oregano, sage, Mexican mint marigold, and lavender are well suited for Southern gardens. Some are even more flavorful because of the tough growing conditions. For a guide to herbs that love heat and special growing tips, check out the list at Texas Summer Herbs That Love Heat.

Key Takeaways

• Choose heat-tolerant herbs for your Texas garden.
• Growing tips and proper care help herbs survive tough summers.
• Fresh herbs add flavor and variety to your summer meals.

Understanding Texas Heat and Its Impact on Herb Gardening

Texas summers are long, sunny, and can get extremely hot. These conditions make it harder for some plants to survive, but picking the right herbs and planning ahead can make your Texas garden productive all season.

Climate Zones in Texas

Texas stretches across several climate zones, mainly USDA Zones 6 to 10. In the north, winters are colder, but in the south, heat and humidity last most of the year.

For most Texas gardens, the growing season is long. Hot summers and mild winters mean you can grow herbs almost year-round, but you need to select varieties that fit your specific climate zone.

The different zones in Texas also mean you might have to adjust planting times or move herbs to partial shade during peak summer. Checking your location’s zone will help you match the best herbs for your area. You can learn more about the unique growing zones and recommend planting times for Texas gardens at The Gardening Dad’s guide on herbs to grow in Texas.

Challenges for Herbs in Hot Environments

High temperatures and strong sunlight can make it difficult for some herbs to flourish. In places like Texas, heat stress, drought, and dry winds can damage your plants or cause herbs like cilantro to bolt quickly.

Soil can dry out much faster, putting extra pressure on roots. Some herbs may struggle with diseases due to humidity or suffer from nutrient loss as water evaporates quickly.

Your garden also faces the risk of sunburn on delicate leaves or wilting during midday. Mulching, watering early in the morning, and using shade cloth during hot afternoons can help. To see more about how Texas heat impacts your herb gardening, check out Texas Native’s guide to heat wave plant care.

Benefits of Choosing Heat-Tolerant Herbs

Picking heat-tolerant herbs gives you better results when gardening in Texas. These herbs are more likely to stay healthy, grow faster, and give bigger harvests even with summer’s intense sun.

Herbs like basil, rosemary, oregano, and lemongrass thrive in Texas heat and can grow with less water once established. They are less likely to wilt or bolt during long spells of hot weather.

By focusing on these tough varieties, you save time and effort since they need less care, even during tough weather. You can check the full list and care tips for heat-tolerant herbs for hot climates if you want suggestions for your Texas garden.

Top Heat-Tolerant Herbs for Texas Gardens

Texas summers are long and hot, but certain herbs can handle the intense sun and high temperatures. Basil, oregano, mint, and sage are reliable choices that perform well when many other plants struggle.

Basil Varieties for Hot Climates

Basil is one of the easiest herbs to grow in Texas, thanks to its love of warm weather. Some varieties like Genovese, Thai basil, African blue, and purple basil hold up especially well during the hottest months. Each has a unique flavor and leaf shape, giving your garden extra interest.

When growing basil in Texas, keep the soil moist and provide mulch to help the roots stay cool. Try planting in a spot that gets morning sun and afternoon shade for best results. Harvest leaves often to keep your basil full and bushy.

You can find more advice about basil and other heat lovers at Gardening Know How.

Quick tips:

• Water early in the day
• Keep leaves dry to avoid disease
• Try different varieties for flavor and color

Oregano Adapted for Texas

Oregano grows well in the Texas heat and is valued for its low-maintenance, drought tolerance, and classic flavor. Both Mediterranean and Mexican oregano are well-suited for native beds. Mexican oregano, in particular, handles arid Texas summers extremely well.

Choose a location with at least six hours of full sun. Oregano prefers well-drained soil and does not like to be soggy. Pruning encourages a bushy habit and stronger growth. Use the leaves fresh, or dry them for later use in your kitchen.

Oregano is also a great choice if you want an easy-care perennial herb for your garden.

Best oregano types for Texas:

• Mediterranean oregano (Origanum vulgare)
• Mexican oregano (Lippia graveolens)

Robust Mint Types for Warm Weather

Mint can survive the Texas heat if you pick the right varieties. Peppermint and spearmint are well known, but Mexican mint marigold (often called Texas tarragon) stands out for thriving in both heat and humidity.

Mint appreciates afternoon shade in the hottest areas of your garden. Plant it in moist, rich soil, and water regularly to prevent wilting. Mint spreads quickly, so it’s a good idea to plant it in a container or a bordered area to avoid taking over your garden beds.

The leaves add freshness to tea, salads, and desserts. Mexican mint marigold gives an anise-like flavor and grows yellow flowers that attract pollinators.

Popular warm-climate mints:

• Peppermint
• Spearmint
• Mexican mint marigold

Resilient Sage Options

Sage is not only hardy but aromatic, making it popular in Texas gardens. Common sage (Salvia officinalis) and its close relatives are trusted for their ability to hold up through dry spells and high temperatures.

Sage needs well-drained soil and lots of light. It should be watered deeply but not too often to avoid root rot. Mulching around the plant helps keep its roots cool and conserves water.

If you’d like a variety that performs even better in the heat, try Berggarten or Texas sage (Leucophyllum frutescens), which is often used as a landscape plant for its drought tolerance and silvery leaves.

Key points for Texas sage:

• Prefers full sun
• Grows in rocky, well-drained soil
• Drought tolerant once established

Find more tips on growing sage and other heat-loving herbs at Gardening Know How.

Essential Perennial Herbs That Withstand the Heat

Texas summers are known for high temperatures and dry conditions. Choosing the right perennial herbs will help your garden stay productive, fragrant, and green even on the hottest days.

Thyme’s Durability in Texas

Thyme is a sturdy perennial that holds up well to intense Texas heat. It thrives in areas with full sun and needs only occasional watering once established. When grown in well-draining soil, thyme tolerates periods of drought without wilting or losing flavor.

You’ll find that thyme’s low-growing habit helps conserve soil moisture and keep weeds down. Its leaves can be harvested almost year-round, even when temperatures climb into the 90s. For extra resilience, select common thyme or lemon thyme varieties. These types not only remain lush in hot weather but also add bright flavor to your dishes.

Consider mulching around your thyme plants. This helps the soil stay cool and limits evaporation. Thyme also grows well alongside other heat-loving herbs, so you can create a mixed bed that’s easy to care for.

Read more about thyme’s heat tolerance at Balcony Garden Web.

Rosemary Varieties for Hot Gardens

Rosemary is a standout choice for hot Texas gardens. This woody perennial tolerates both high heat and drought once its roots are established. It prefers well-drained soil and needs little water, making it ideal for busy gardeners.

You’ll get the best results by planting upright or trailing rosemary varieties. Upright rosemary forms a tidy shrub and is perfect for border plantings. Trailing types spill beautifully over garden edges or containers.

Both kinds of rosemary keep their needle-like leaves aromatic throughout summer. Regular pruning encourages bushy growth and more leaves for cooking. Rosemary can grow up to three feet tall in Texas and survives intense sun without much shade.

For more ideas on which rosemary varieties grow best in the heat, visit Gardening Know How.

Salvia Species with Heat Resistance

Salvia, a large group of herbs in the mint family, offers several species that handle Texas heat. The most common is culinary sage (Salvia officinalis), which features silvery leaves and a strong, earthy scent. Sage’s leaves are thick and slightly fuzzy, traits that make them good at retaining moisture and resisting sun damage.

You can also try growing Mexican sage (Salvia leucantha) or pineapple sage (Salvia elegans). These species produce flowers in late summer and attract pollinators like bees and butterflies.

To help your salvia stay healthy, plant it in a spot with full sun and provide good air circulation. Prune often to encourage fresh growth and remove old stems. Salvia’s drought tolerance means you won’t need to water it frequently after it’s established, saving effort and water during long heatwaves.

Visit Plantisima for more about heat-tolerant salvia.

Uncommon Heat-Resistant Herbs

Some hardy herbs aren’t as commonly grown but perform well in Texas’s intense summer climate. These resilient plants offer unique flavors and textures, giving you more choices for both cooking and gardening.

Cuban Oregano Characteristics

Cuban oregano is a bold, fragrant herb that stands out for its thick, succulent leaves. Unlike classic Mediterranean oregano, Cuban oregano’s leaves are larger, fleshy, and a bit fuzzy. They store water, helping the plant survive both heat and drought.

This herb is highly aromatic, with a spicy, slightly medicinal scent. The flavor is strong, so a little goes a long way in soups, stews, or rubs for grilled meats. You’ll find that Cuban oregano thrives in hot, sunny locations, as long as the soil drains well.

Water deeply but allow the soil to dry out between watering. Cuban oregano rarely suffers from pests or diseases and grows easily from cuttings. In the garden, it also works as an attractive ground cover, adding texture and color. This herb is not true oregano but offers similar uses and even more heat tolerance, making it popular in Texas herb gardens.

Garlic Chives and Their Adaptability

Garlic chives look like regular chives but have flat, grass-like leaves and a garlicky taste. They are low maintenance and ideal for gardens that get strong summer sun. Garlic chives won’t fade or wilt when temperatures soar; they even keep growing well into late summer.

You can plant garlic chives in beds, borders, or pots, but they are especially reliable in-ground, needing only occasional watering. The white flowers not only look attractive but also attract pollinators like bees and butterflies.

Here are some quick tips for growing garlic chives:

Both leaves and flower stalks are edible. Use them fresh for a milder garlic flavor, or add them at the end of cooking to avoid bitterness. Garlic chives stand up to Texas heat and make a useful addition to your summer herb lineup.

Fennel as a Summer Herb

Fennel can handle the Texas sun if the soil is kept moderately moist and the plant gets at least some afternoon shade. This upright herb produces feathery green leaves and a bulbous base, both of which are edible and carry a sweet, anise-like taste.

In hot weather, fennel forms deep roots, helping it deal with drought and heat. You can plant fennel as a focal point in herb beds because of its striking, fern-like leaves and large yellow flower clusters that draw in pollinators.

Here’s how you can make the most of fennel in a hot garden:

• Plant in rich, well-drained soil
• Water regularly but don’t let roots get soggy
• Trim flowers if you want to focus on leaf or bulb growth

Fennel’s leaves, stems, seeds, and bulbs are versatile in the kitchen. Add young leaves to salads, roast the bulb, or harvest seeds for seasoning. Fennel continues to grow and provide fresh greens even in high heat, and it is often overlooked compared to more common garden herbs. For more about other herbs that do well in Texas summers, visit this list of heat-tolerant Texas summer herbs.

Growing Leafy and Bulbous Herbs in Intense Texas Sun

Leafy and bulbous herbs can handle the climate in Texas, but some do better with heat and sun than others. With the right care, you can get fresh parsley, chives, and garlic even during the hottest months.

Parsley Tolerance to High Temperatures

Parsley prefers cooler weather but can still be grown in Texas if you take a few steps for protection. Plant parsley where it will get morning sun and afternoon shade to keep the leaves from wilting in extreme heat.

Use a layer of mulch to trap moisture and lower the soil temperature. Water deeply a few times each week, but do not let the ground get soggy. If you notice the leaves begin to curl or turn pale, this is often a sign of too much sun or not enough water.

While hot summers may cause parsley to bolt and go to seed earlier than normal, regular harvesting of the outer leaves can keep it producing longer. Parsley can grow through most of the Texas summer but has its best growth during spring and early fall.

Chives as Reliable Summer Producers

Chives are well-suited to life in the Texas sun. This hardy herb bounces back after droughts and tolerates high temperatures with ease. The slim, green stalks keep growing even when heat slows down other plants.

Plant chives in well-drained soil with at least six hours of sun. Water routinely, especially during very hot, dry stretches, but be careful not to overwater. Once established, chives can handle brief spells of neglect.

Harvest by trimming leaves with scissors, leaving at least 2 inches above the soil so they can regrow. If you let chives flower, the blooms attract pollinators and are also edible. Chives are considered one of the best herbs for Texas gardens because of their resilience.

Garlic’s Performance in Hot Gardens

Garlic needs full sun and loose, fertile soil to thrive. In Texas, it is usually planted in the fall, which gives bulbs time to grow when it’s cool. As the weather warms up, garlic builds strong green leaves, and bulbs mature just before peak summer heat.

Mulching garlic beds is important, as it helps hold moisture and maintain even soil temperatures. Water regularly but reduce it as the bulbs get close to harvest season, which is usually early summer.

For best results, use varieties known for heat tolerance, like Creole garlics or softneck types. Garlic rewards careful attention by producing large, flavorful bulbs that store well even in the Texas climate. Growing garlic is popular due to its usefulness in cooking and its ability to adapt to local weather extremes.

Dill and Other Annual Herbs for Texas Summers

Growing dill and other annual herbs in Texas heat takes careful planning. Hot summers can stress these plants, but with the right steps, you can get a good harvest and strong flavors even during the warmest months.

Best Practices for Dill in the Heat

Dill does best in full sun, but extreme Texas heat can cause it to bolt quickly. You will need to sow seeds directly into the garden in early spring before the hottest temperatures hit. If you sow a new batch every few weeks, you can keep a steady supply.

Keep the soil moist but not soggy. Dill likes well-drained soil with some compost mixed in. Adding a layer of mulch will help keep the ground cool and hold in moisture. Morning watering is ideal to avoid mildew and let leaves dry out during the day. If the sun becomes too intense, provide some afternoon shade using shade cloth or plant taller crops nearby for natural shelter.

Managing Annuals in Prolonged Warmth

Annual herbs like basil and cilantro can also struggle when temperatures rise above 90°F (32°C). These herbs may stop producing or bolt, sending up flowers and going to seed quickly. Select heat-tolerant varieties when possible, such as Thai basil, which can handle high temperatures better than sweet basil.

Water annual herbs early or late in the day to reduce water loss from evaporation. Planting in-ground, instead of in containers, helps retain more moisture which is especially important as pots dry out fast in the heat. Try grouping your herbs so they provide each other with a bit of shade and better humidity. For more advice on summer herbs, see this guide to best herbs for Texas summer.

Tips for Starting an Herb Garden in Texas

Growing an herb garden in a Texas climate means facing extra heat, dry spells, and a variety of soil types. The right steps will help your herbs survive the summer and flourish even when temperatures soar.

Choosing the Right Location

Pick a spot for your herb garden that gets six to eight hours of sunlight most days. Herbs like basil, rosemary, and thyme need bright conditions, but too much afternoon sun can stress sensitive plants. Find a balance by using spaces that get morning sunlight and some shade in the late afternoon.

Sheltered spots near a fence, wall, or building can help protect herbs from harsh winds and intense heat. Many Texas gardeners use raised beds or containers on patios, which allow you to move plants if needed.

If you are growing in a small space or want to keep invasive herbs like mint controlled, use pots or planter boxes. This helps manage spreading and keeps your garden neat.

Soil Preparation for Maximum Growth

Texas soil can be sandy, clay-heavy, or rocky depending on your area. Before planting, check your garden soil’s drainage by digging a hole and filling it with water. If it doesn’t drain in an hour, you need to amend it.

Mix in compost or well-rotted manure to improve the soil’s ability to hold moisture and add nutrients. Herbs grow best in loose, rich soil that is not soggy. You can use a simple table to remember key soil needs:

A soil pH between 6.0 and 7.0 is ideal. If your soil is too acidic or alkaline, use a garden test kit and adjust as needed.

Best Watering Strategies in Hot Weather

Texas heat causes soil to dry quickly, so consistent watering is critical. Water your herbs early in the morning to reduce evaporation. Avoid overhead sprinklers; instead, use drip irrigation or a soaker hose to deliver water straight to the roots and keep leaves dry.

Mulching around your herbs with straw, bark, or even grass clippings helps the soil stay cool and keeps moisture in. Check the soil using your finger—when the top inch is dry, it’s time to water again.

Be careful not to overwater. Most herbs do not like soggy roots, which can cause rot. Spacing plants apart allows good airflow, which also helps reduce disease in wet or humid summers. For more basic advice, Texas A&M offers herb gardening tips specific to Texas gardens.

Container Gardening and Urban Herb Solutions

Container gardening lets you grow fresh herbs in Texas, even if space is tight or you live in a city. Choosing the right pots, picking heat-tolerant herbs, and knowing how to water them well are key steps for a healthy garden.

Advantages of Pots and Raised Beds

Using pots or raised beds helps you control soil type, drainage, and moisture, which is vital in the hot Texas sun. Containers are easy to move, so you can chase the shade or sun as needed. You can also bring herbs inside to protect them from heat waves or sudden storms.

Raised beds warm up fast in the spring, letting you plant earlier. They lift your herbs away from hot, hard concrete and reduce weed problems. Both options work well in small patios and balconies that may not have traditional garden beds.

With containers, you’re less likely to face pests found in the ground. Make sure your pots have drainage holes, and choose materials like plastic or resin, which protect roots from extreme heat better than clay. Lightweight containers with handles make it simple to rearrange your setup as the seasons change. Find more tips for hot climates at this Texas container gardening guide.

Selecting Herb Varieties for Small Spaces

When space is limited, selecting the right herbs helps you get the best yield. Compact growers like basil, thyme, oregano, chives, and parsley do well in pots. Choose dwarf or bush forms because they won’t outgrow containers quickly.

Some herbs like rosemary and sage need bigger pots but are still manageable on a porch or balcony. Look for heat-hardy varieties bred for the South. Mint can take over a garden bed, but in a pot it stays controlled.

You can even stack pots vertically or use hanging baskets to make the most of sunny spots near windows or patios. For specific suggestions on herbs that suit urban life, check these small-space herb picks or herbs for containers.

Maintaining Herbs in City Heat

Texas summers are tough on plants in containers since soil dries out faster than in the ground. Water your herbs in the morning or evening, and check soil moisture daily. Herbs usually need water when the top inch is dry, but overwatering can also harm roots.

Group your pots to shade each other and retain humidity. Lining porous pots with plastic helps prevent moisture loss. To prevent roots from overheating, use light-colored containers and mulch the soil surface. Adding a self-watering container or a drip system can make watering easier and keep your garden thriving through the hottest months.

Fertilize lightly every few weeks, since frequent watering flushes nutrients out. Prune and harvest your herbs regularly to keep them growing and looking tidy. For more on watering and care in urban settings, explore these urban herb garden tips and watering advice.

Harvesting and Caring for Herbs During Extreme Heat

Harvesting herbs at the right time, using mulch and shade, and controlling pests are key steps to keeping your plants both productive and healthy when Texas temperatures soar. These strategies protect your herbs and help them continue to thrive and provide fresh flavors through even the toughest stretches of summer.

Timing Harvests for Optimal Flavor

Harvest herbs early in the morning, just after the dew dries but before the full sun hits. Oils that give herbs their flavor and scent are strongest at this time. Waiting until later in the day or during high heat can cause essential oils to evaporate, leaving the taste less intense.

Use sharp, clean scissors or garden shears when cutting stems. Never strip more than one-third of the plant at once, as taking too much can stress or even kill heat-sensitive varieties.

Remember, herbs like basil, mint, and cilantro are best harvested regularly. Frequent picking encourages new, tender growth. For woody herbs like rosemary or thyme, trim only the softer, newer stems—woody branches are slower to recover if you cut them too harshly.

Mulching and Shade Techniques

Mulch acts as a barrier, keeping soil moisture in and roots cooler during periods of strong sun. Apply a 2- to 3-inch layer of organic mulch, such as shredded bark, straw, or compost, around your herbs. This not only helps prevent quick drying but also aids in weed control.

When temperatures are forecasted to be above 95°F, consider providing temporary shade. Lightweight fabric, old sheets, or shade cloth suspended above plants helps protect herbs from direct sun, especially during the hottest part of the afternoon. Even a row cover on simple hoops provides relief.

In containers, move pots to dappled shade or a lightly sheltered spot when possible. Make sure containers have good drainage, as mulched but soggy soil can cause mold or root rot. Using recommended mulching and shading steps is essential for long summer harvests.

Managing Pests and Diseases in Summer

Heat and humidity create a perfect home for pests like spider mites, aphids, and whiteflies. Check your herbs regularly by inspecting under the leaves and along stems. If an issue is found, gently wash pests away with a strong stream of water or remove them by hand.

Neem oil or insecticidal soap can be applied on stubborn infestations, but always read the label and test on a small section first. Avoid chemical sprays in midday sun to prevent leaf burn.

Fungal diseases, such as powdery mildew, spread quickly in warm, moist air. Water herbs early so foliage dries before evening. Allow enough space between plants for good airflow. If you mulch correctly and keep leaves dry, the risk of many common summer pests and diseases drops sharply.

Using Heat-Loving Herbs in Texas Cuisine

Many herbs that thrive in Texas heat bring fresh flavors to your kitchen. You can use them as main ingredients or to add depth and aroma to classic recipes.

Fresh Uses for Basil and Oregano

Basil grows quickly in hot Texas summers and fills your dishes with a sweet, peppery taste. Slice fresh basil leaves over tomatoes and mozzarella for a cool, refreshing salad. You can also toss chopped basil into pasta or make homemade pesto by blending it with olive oil, garlic, and nuts. This bright green sauce livens up sandwiches or grilled chicken.

Oregano is another hardy herb that works well in the heat. This plant is both drought-tolerant and full of flavor, making it great for Italian or Mexican dishes. Try adding fresh oregano to pizza, chili, or roasted vegetables. During grilling season, you can sprinkle leaves over meat as a last-minute touch before serving. If you want an easy weeknight meal, combine tomatoes, basil, and oregano for a quick pasta sauce.

Enhancing Dishes with Rosemary and Sage

Rosemary has needle-like leaves and a strong pine flavor. You can chop rosemary and mix it into roasted potatoes, chicken, or even lemonade for a unique twist. Because rosemary can handle high heat, it’s perfect for grilling. Thread shrimp or veggies onto rosemary sprigs as natural skewers.

Sage is earthy and slightly bitter. In Texas cooking, it fits well with sausage, stuffing, and roasted meats. You can crisp up fresh sage leaves by frying them quickly in oil and sprinkling on soup or pasta. Sage also pairs nicely with browned butter for flavoring gnocchi, ravioli, or sautéed squash.

Simple ways to use rosemary and sage:

• Mix rosemary into olive oil for dipping bread.
• Layer sage leaves between pork chops before baking.
• Add both to roasted root vegetables for an aromatic side dish.

Flavoring Recipes with Chives and Dill

Chives offer a mild onion flavor. Snip chives with scissors and sprinkle them on top of baked potatoes, scrambled eggs, or creamy dips. In hot summer months, chives keep their fresh taste and brighten up salads or grilled fish. Their green stems can be used whole as garnish or sliced fine for mixing into spreads.

Dill has feathery leaves and a distinct tangy taste. You might use dill in cucumber salad, homemade pickles, or to season salmon. Chop dill and add it to yogurt for a fresh dip or stir it into potato salad and coleslaw. Since dill is heat-tolerant, you can harvest leaves all summer for cold soups or herbed butter.

Frequently Asked Questions

Many herbs can handle the hot Texas climate if you pick the right varieties. Some herbs even bring extra uses in cooking or as natural remedies while still thriving in the sun and heat.

What are the best heat-tolerant herbs that can be grown in Texas?

Basil, oregano, rosemary, Texas tarragon (Mexican mint marigold), thyme, and mint all stand up well to high summer temperatures. These choices are tough and can add flavor to your meals without wilting in the heat. You can see more about these heat-loving herbs for Texas gardens at Gardening Know How’s list of Texas summer herbs.

Which medicinal herbs flourish in hot and dry conditions typical of Texas summers?

Rosemary and Mexican oregano are both well-known for their medicinal uses and ability to grow in Texas heat. Lemon balm is another good pick and does well with some shade. Lavender is drought-tolerant and is often grown for its calming scent and oils.

What native Texas herbs are well-suited for high temperature regions?

Texas sage (Salvia texana), Mexican oregano (Poliomintha longiflora), and Texas tarragon (Tagetes lucida) are native herbs that resist dry spells and perform well in hot summers. These plants are adapted to local soil and climate, making them reliable options for your garden.

Which herbs are ideal for planting in full sun exposure within Texas?

Rosemary, basil, oregano, thyme, and sage do best with lots of direct sunlight. Each one handles the tough Texas sun and will grow best in well-drained soil and regular watering. For suggestions, see more full sun herbs recommended at Vegetable Gardening News’ page on herbs for Texas heat.

When is the optimal time to plant herbs in the Texas climate?

It is best to plant most herbs in late winter to early spring, once the risk of frost is over. For some perennial herbs, you can also plant in early fall. Timing may change slightly depending on where you are located in Texas, but avoid planting when intense summer heat is at its highest.

Can you recommend some herbs that also double as vegetables and are resistant to Texas heat?

Basil (used in salads and pestos), fennel (with edible bulbs and fronds), and purslane (a leafy herb and vegetable) all hold up to Texas heat and can be used in cooking as both herb and vegetable. Okra is not technically an herb but is a popular, heat-resistant plant often included in edible gardens.